People enter the Boeing production facility during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

People enter the Boeing production facility during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Photo: Joshua Trujillo, Seattlepi.com

People enter the Boeing production facility during a tour of the... Photo-782653.7283 - seattlepi.com

Image 2 of 87

A Boeing employee works on a 747-8 Intercontinental, seen during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

A Boeing employee works on a 747-8 Intercontinental, seen during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Photo: Joshua Trujillo, Seattlepi.com

A Boeing employee works on a 747-8 Intercontinental, seen during a... Photo-782646.7283 - seattlepi.com

Image 3 of 87

A Boeing employee works on a 747-8 Intercontinental, seen during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

A Boeing employee works on a 747-8 Intercontinental, seen during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Photo: Joshua Trujillo, Seattlepi.com

A Boeing employee works on a 747-8 Intercontinental, seen during a... Photo-782634.7283 - seattlepi.com

Image 4 of 87

Windows on a 747-8 Intercontinental are shown during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Windows on a 747-8 Intercontinental are shown during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Photo: Joshua Trujillo, Seattlepi.com

Windows on a 747-8 Intercontinental are shown during a tour of the... Photo-782642.7283 - seattlepi.com

Image 5 of 87

Taboola Gallery Frame Item-85307.7283 - seattlepi.com

Image 6 of 87

A Boeing employee works on a 747-8 Intercontinental, seen during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

A Boeing employee works on a 747-8 Intercontinental, seen during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Photo: Joshua Trujillo, Seattlepi.com

A Boeing employee works on a 747-8 Intercontinental, seen during a... Photo-782637.7283 - seattlepi.com

Image 7 of 87

A Boeing employee works on a 747-8 Intercontinental, seen during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

A Boeing employee works on a 747-8 Intercontinental, seen during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Photo: Joshua Trujillo, Seattlepi.com

A Boeing employee works on a 747-8 Intercontinental, seen during a... Photo-782641.7283 - seattlepi.com

Image 8 of 87

A section of the 747-8 Intercontinental is shown during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

A section of the 747-8 Intercontinental is shown during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Photo: Joshua Trujillo, Seattlepi.com

A section of the 747-8 Intercontinental is shown during a tour of... Photo-782628.7283 - seattlepi.com

Image 9 of 87

A Boeing employee assembles a 747-8 Intercontinental, seen during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

A Boeing employee assembles a 747-8 Intercontinental, seen during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Photo: Joshua Trujillo, Seattlepi.com

A Boeing employee assembles a 747-8 Intercontinental, seen during a... Photo-782639.7283 - seattlepi.com

Image 10 of 87

Taboola Gallery Frame Item-85307.7283 - seattlepi.com

Image 11 of 87

Windows on a 747-8 Intercontinental are shown during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Windows on a 747-8 Intercontinental are shown during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Photo: Joshua Trujillo, Seattlepi.com

Windows on a 747-8 Intercontinental are shown during a tour of the... Photo-782635.7283 - seattlepi.com

Image 12 of 87

Windows on a 747-8 Intercontinental are shown during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Windows on a 747-8 Intercontinental are shown during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Photo: Joshua Trujillo, Seattlepi.com

Windows on a 747-8 Intercontinental are shown during a tour of the... Photo-782624.7283 - seattlepi.com

Image 13 of 87

Landing gear from a 747-8 is shown during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Landing gear from a 747-8 is shown during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Photo: Joshua Trujillo, Seattlepi.com

Landing gear from a 747-8 is shown during a tour of the Boeing... Photo-782633.7283 - seattlepi.com

Image 14 of 87

The GEnx engines are shown on a 747-8 during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

The GEnx engines are shown on a 747-8 during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Photo: Joshua Trujillo, Seattlepi.com

The GEnx engines are shown on a 747-8 during a tour of the Boeing... Photo-782632.7283 - seattlepi.com

Image 15 of 87

Taboola Gallery Frame Item-85307.7283 - seattlepi.com

Image 16 of 87

A new GEnx engine is showon on a 747-8 freighter during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

A new GEnx engine is showon on a 747-8 freighter during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Photo: Joshua Trujillo, Seattlepi.com

A new GEnx engine is showon on a 747-8 freighter during a tour of... Photo-782599.7283 - seattlepi.com

Image 17 of 87

Boeing employee Mike Millenaar works atop a GEnx engine on a Boeing 747-8 Intercontinental, seen during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett. less

Boeing employee Mike Millenaar works atop a GEnx engine on a Boeing 747-8 Intercontinental, seen during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at ... more

Boeing employee Mike Millenaar works atop a GEnx engine on a Boeing 747-8 Intercontinental, seen during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett. less

Boeing employee Mike Millenaar works atop a GEnx engine on a Boeing 747-8 Intercontinental, seen during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at ... more

The leading edge of a 747-8 wing is shown during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

The leading edge of a 747-8 wing is shown during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Photo: Joshua Trujillo, Seattlepi.com

The leading edge of a 747-8 wing is shown during a tour of the... Photo-782629.7283 - seattlepi.com

Image 20 of 87

Taboola Gallery Frame Item-85307.7283 - seattlepi.com

Image 21 of 87

Photographer Ramak Fazel uses a view camera to photograph aircraft during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Photographer Ramak Fazel uses a view camera to photograph aircraft during a tour of the Boeing 747-8 Intercontinental and Freighter assembly line on Saturday, February 12, 2011 at the Boeing plant in Everett.

Boeing employees and guests watch the ceremony during the unveiling of Boeing's new 747-8 Intercontinental on Sunday, February 13, 2011 at the Boeing plant in Everett.

Boeing employees and guests watch the ceremony during the unveiling of Boeing's new 747-8 Intercontinental on Sunday, February 13, 2011 at the Boeing plant in Everett.

Photo: Joshua Trujillo, Seattlepi.com

Boeing employees and guests watch the ceremony during the unveiling... Photo-782600.7283 - seattlepi.com

Image 39 of 87

Elizabeth Lund, 747 vice president and deputy program manager, left, celebrates with musicians onstage during the unveiling ceremony of Boeing's new 747-8 Intercontinental on Sunday, February 13, 2011 at the Boeing plant in Everett. less

Elizabeth Lund, 747 vice president and deputy program manager, left, celebrates with musicians onstage during the unveiling ceremony of Boeing's new 747-8 Intercontinental on Sunday, February 13, 2011 at the ... more